The Marathon ClickTight Convertible Car Seat has the safest and easiest installation available. With the ClickTight Installation System, installation is as easy as buckling a seatbelt. The Marathon ClickTight ARB Convertible Car Seat has the groundbreaking ClickTight Installation System for the easiest installation ever. The Anti-Rebound Bar minimizes forces associated with crashes by stabilizing the car seat when installed rear-facing, and the seat shields your child in thorough SafeCell Impact Protection so you can hit the road with the utmost confidence your child is safe – in a seat made in the USA with global components.

• ClickTight Installation System is the safest and simplest technology on the market. Open the front of the car seat, feed the seatbelt through the indicated path and click the seat shut. That’s all you need to do for rock-solid installation.
• Anti-Rebound Bar minimizes forces associated with crashes by stabilizing the car seat when installed rear-facing.
• Safe Cell Impact Protection is a safety system including a steel frame, energy-absorbing base and patented V-shaped tether.
• Side Protection, formed by a deep energy-absorbing shell, shields your child from the most severe type of collision.
• Quick-Adjust 10-Position Harness and 2-Position Buckle allow you to easily move the harness upward and the buckle outward for a comfortable, secure fit as your child grows.

The Best Protection for Your Child – Installed with Just A Click

ClickTight Installation System
Just open the front of the car seat, buckle the seat belt across and click the seat shut. That’s all you need to do for rock-solid installation. The seat won’t budge and you can travel worry-free with your child.

SafeCell Impact Protection
SafeCell Impact Protection in an integrated system of safety components available only with Britax car seats. These features include a steel frame, energy-absorbing base, and impact-absorbing tether with staged-release stitches that slow and reduce forward movement during a crash.

Anti-Rebound Bar
Anti-Rebound Bar minimizes forces associated with crashes by stabilizing the car seat when installed rear-facing.

What’s Included
Marathon ClickTight Convertible Car Seat
Removable Infant Pillow
Anti-Rebound Bar
User Guide

Anti-Rebound Technology
Increases stability by decreasing rebound rotation by up to 40% during forward, rear, and side-impact crashes. The anti-rebound bar manages harmful crash energy and reduces injury risk in severe crashes by limiting child impact with vehicle seat back.

A Safe & Easy Installation, Every Time:
The ClickTight Installation System makes correctly securing the car seat as simple as buckling a seat belt. With one click, you know you’ve accurately installed the seat.

Maximum Fit & Comfort
The easy-adjust 12-position harness grows along with your child. Fitting your child in the seat is a breeze – just change the height with a push of a button.

Trusted for Quality & Child Safety
For generations, families have trusted Britax to keep their children safe. Britax designs, tests, and builds this seat in the United States from US & global components.